DESCRIPTION:

QTL associated with Y-linked autoimmune acceleration 2. This interval was obtained by using a fixed interval width of 25 Mbp around the peak marker (63862105)

LABEL:

QTL-Yaa2-Mouse-Chr 1

SCORE TYPE:

Binary

DATE ADDED:

2012-04-02

DATE UPDATED:

2024-04-25

SPECIES:

URI:

http://www.informatics.jax.org/searches/accession_report.cgi?id=MGI:2148988

AUTHORS:

Hogarth MB, Slingsby JH, Allen PJ, Thompson EM, Chandler P, Davies KA, Simpson E, Morley BJ, Walport MJ

TITLE:

Multiple lupus susceptibility loci map to chromosome 1 in BXSB mice.

JOURNAL:

Journal of immunology (Baltimore, Md. : 1950) Sep 1998, Vol 161, pp. 2753-61

ABSTRACT:

BXSB mice spontaneously develop a lupus-like syndrome that is accelerated by the Yaa gene (Y-linked autoimmune accelerator). We studied the phenotype of disease in (B10 x BXSB)F1 and (BXSB x (B10 x BXSB)F1) backcross mice and genotyped 224 backcross animals to allow a microsatellite-based genome-wide linkage analysis to be conducted. In the backcross population, three intervals on chromosome 1 showed significant linkage to disease, suggesting that multiple loci contribute to the production of autoimmune disease. D1Mit5 at 32.8 cM was linked to development of nephritis (chi(2) = 15.68, p = 7.5 x 10(-5)), as was D1Mit12 at 63.1 cM (chi(2) = 20.17, p = 7.1 x 10(-6)). D1Mit403 at 100 cM was linked to anti-dsDNA Ab production (chi(2) = 17.28, p = 3.2 x 10(-5)). Suggestive linkages to antinuclear Abs and nephritis were identified on chromosome 3, to splenomegaly on chromosome 4, and to anti-ssDNA Ab production on chromosome 10. Chromosome 4 and the telomeric region of chromosome 1 have previously been linked to disease in other mouse models of systemic lupus erythematosus; however, the centromeric regions of chromosome 1 and chromosomes 3 and 10 are unique to BXSB. This implies that, though some loci may be common to a number of mouse models of lupus, different clusters of disease genes confer disease susceptibility in different strains of mice. PUBMED: 9743333
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